CN113756183B - Self-adaptive pier scouring protection device based on water flow direction and flow velocity - Google Patents
Self-adaptive pier scouring protection device based on water flow direction and flow velocity Download PDFInfo
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- CN113756183B CN113756183B CN202111094648.6A CN202111094648A CN113756183B CN 113756183 B CN113756183 B CN 113756183B CN 202111094648 A CN202111094648 A CN 202111094648A CN 113756183 B CN113756183 B CN 113756183B
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- flow
- pier body
- rotating ring
- pier
- fixedly connected
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a self-adaptive pier scouring protection device based on water flow direction and flow velocity, and relates to the technical field of pier scouring prevention. The technical key points are as follows: including the pier body, pier body bottom cover is equipped with first change, first change and pier body bottom fixed connection, and first change rotates to be connected with the second change, and the pier body is located to the second change cover, and a plurality of first fender stream boards of second change week side fixedly connected with, first change top are equipped with the second fender stream board, and second fender stream board week side fixedly connected with guide plate is equipped with the regulating part between second fender stream board and the second change. The pier body protection device has the advantages that the flow velocity and the flow direction of water flow in the horizontal direction near the pier body can be changed through rotation of the first flow baffle, the pier body protection device can be automatically adjusted according to different flow directions and different flow velocities of the water flow, the flow velocity and the flow direction of water flow in the vertical direction near the pier body are changed through arrangement of the second flow baffle and the flow guide plate, and accordingly more comprehensive protection on the pier body is achieved.
Description
Technical Field
The invention relates to the technical field of pier scour prevention, in particular to a self-adaptive pier scour prevention device based on water flow direction and flow velocity.
Background
Scouring is a natural phenomenon that river beds or seacoasts are degraded due to the erosion effect of water flow, is also one of important factors causing bridge diseases, has direct economic loss of bridge water damage caused by flood in the annual flood season of billions of yuan, and has a trend of rising year by year. Bridge foundation scour damage often occurs suddenly without prior warning and is difficult to monitor during flooding. Due to uncertainty of the bridge pier flushed, difficulty in solving the flushing problem is increased, and damaged maintenance cost is high. The literature of "cause and risk analysis of bridge collapse accidents" (Yi Renyan, maintenance and management, 2016, 04) collects relevant information of collapse accidents occurring in china from 2000 to 2014, statistics is performed on the accident causes occurring 106 bridge collapse accidents in the operation stage, and it is found that more than 30% of bridge collapse is caused by scouring damage.
The Chinese invention patent CN103243639A (named as an anti-impact ring wing type pier) discloses a ring wing type pier with a protection effect, wherein an anti-impact plate arranged outside the pier can effectively block the submerged water flow from the upstream surface of the pier, change the size and the direction of the submerged water flow and weaken the erosion effect of the water flow on a foundation. But can not weaken the scouring and corrosion of the pier caused by the water flow in the horizontal direction.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a self-adaptive pier scouring protection device based on the water flow direction and the water flow speed, which has the advantages that: the setting up of first swivel provides the support for the second swivel, the setting up of second swivel provides the support for first fender flow board, first fender flow board set up is in order to realize when rivers flow, can change the velocity of flow and the flow direction of near pier body horizontal direction rivers through the rotation of self, and can be according to the different flow directions of rivers, different velocity of flow are adjusted by oneself, second fender flow board is the velocity of flow and the flow direction in order to change near pier body vertical direction rivers with the setting of guide plate, and then realize the more comprehensive protection to pier body, the setting of regulating part is for making the position of second fender flow board adjust along with the depth of water by oneself, increase the practicality.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a self-adaptation pier erodees protector based on rivers direction and velocity of flow, includes the pier body, pier body bottom cover is equipped with first change, first change with pier body bottom fixed connection, first change rotates and is connected with the second change, the second change cover is located the pier body, a plurality of first fender stream boards of second change week side fixedly connected with, first change top is equipped with the second fender stream board, second fender stream board week side fixedly connected with guide plate, the second fender stream board with be equipped with the regulating part between the second change.
Through adopting above-mentioned technical scheme, the setting up of first change provides the support for the second change, the setting up of second change is that first fender flows the board and provides the support, first fender flows the setting of board and is in order to realize when rivers flow, can change the velocity of flow and the flow direction of near pier body horizontal direction rivers through the rotation of self, and can be according to the different flow directions of rivers, different velocity of flow are adjusted by oneself, second fender flows the board and is the velocity of flow and the flow direction in order to change near pier body vertical direction rivers with the setting of guide plate, and then realize the more comprehensive protection to the pier body, the setting of regulating part is for making the position that second fender flowed the board adjust along with the depth of water by oneself, increase the practicality.
The present invention in a preferred example may be further configured to: the adjusting part comprises a plurality of support rings and a support plate, the support rings are sleeved on the pier body and are arranged in the second rotating ring, the first flow baffle is arranged in a hollow mode, the top opening of the first flow baffle is arranged, the support plate is fixedly connected with the support rings and is arranged in the first flow baffle, the support plate is in sliding connection with the first flow baffle, a third flow baffle is inserted in the support plate and is in sliding connection with the third flow baffle, the third flow baffle is arranged in one end of the support plate and fixedly connected with a plurality of first springs between the support plates, a baffle fixedly connected with the support plate is connected with a third rotating ring, the third rotating ring is in sliding connection with the pier body, a fixed rod is fixedly connected with the third rotating ring, and the fixed rod is fixedly connected with the second flow baffle.
Through adopting above-mentioned technical scheme, the setting up of regulating part makes the position of second fender flow board can adjust by oneself according to the depth of water, and can adjust the position of third fender flow board by oneself according to the depth of water, make the velocity of flow and the direction that can alleviate horizontal direction water, protect the pier body, the setting up of support ring provides the support for the backup pad, and can guarantee the second change, the support ring, the seal between first change and the baffle, prevent to have water to get into, the setting up of third change is for the convenience of baffle, the rotation of support ring and third fender flow board etc. the setting of dead lever is for supporting second fender flow board.
The present invention in a preferred example may be further configured to: the first rotating ring sleeve is provided with a counterweight bag and is fixedly connected with the counterweight bag.
By adopting the technical scheme, the arrangement of the counterweight bags can cover the riverbed around the pier body, so that the underwater flow around the pier has a certain buffering effect, and the sediment of the riverbed is protected from being washed away.
The present invention in a preferred example may be further configured to: the connecting line between any two first flow baffle plates is not superposed with any diameter of the second rotating ring, and the angle between any adjacent first flow baffle plates is unequal.
By adopting the technical scheme, the connecting line between any two first flow baffle plates is not superposed with any diameter of the second rotating ring, so that the first flow baffle plates on two sides of the second rotating ring bear different forces under the action of water flow, the first flow baffle plates can drive the second rotating ring to rotate under the action of the water flow, and the flow speed and the direction of the water flow can be further changed.
In summary, the present invention includes at least one of the following beneficial effects:
1. the first rotating ring is used for supporting the second rotating ring, the second rotating ring is used for supporting the first flow baffle plate, the first flow baffle plate is arranged for changing the flow speed and the flow direction of water flow in the horizontal direction near the pier body through rotation of the first rotating ring when the water flows, and can be automatically adjusted according to different flow directions and different flow speeds of the water flow, the second flow baffle plate and the flow guide plate are arranged for changing the flow speed and the flow direction of the water flow in the vertical direction near the pier body, so that the pier body is more comprehensively protected, and the adjusting piece is arranged for enabling the position of the second flow baffle plate to be automatically adjusted along with the water depth, so that the practicability is improved;
2. the adjusting piece is arranged to enable the position of the second flow baffle to be automatically adjusted according to the water depth, and the position of the third flow baffle to be automatically adjusted according to the water depth, so that the flow rate and the direction of water in the horizontal direction can be relieved, the pier body is protected, the support ring is arranged to be a support plate to provide support, the tightness among the second rotating ring, the support ring, the first rotating ring and the baffle can be guaranteed, water is prevented from entering, the third rotating ring is arranged to facilitate the rotation of the baffle, the support ring, the third flow baffle and the like, and the fixing rod is arranged to support the second flow baffle;
3. the reason why the connecting line between any two first flow baffle plates does not coincide with any diameter of the second rotating ring is to ensure that the first flow baffle plates on two sides of the second rotating ring bear different forces under the action of water flow, so that the first flow baffle plates can drive the second rotating ring to rotate under the action of water flow, and the flow rate and direction of the water flow can be changed.
Drawings
Fig. 1 is a schematic view of a first perspective structure of the present invention.
Fig. 2 is a schematic diagram of a second viewing angle structure according to the present invention.
Fig. 3 is a schematic view of the internal structure of the support plate of the present invention.
Reference numerals are as follows: 1. a pier body; 2. a first swivel; 3. a second swivel; 4. a first flow baffle; 5. a second flow baffle; 6. a baffle; 7. an adjustment member; 71. a support plate; 72. a third baffle plate; 73. a first spring; 74. a baffle plate; 75. fixing the rod; 76. a support ring; 77. a third swivel; 8. a counterweight bag.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the self-adaptive pier scour protection device based on water flow direction and flow speed provided by the invention comprises a pier body 1, wherein a first swivel 2 is sleeved at the bottom of the pier body 1, the first swivel 2 is fixedly connected with the bottom of the pier body 1, the pier body 1 below a river bed is not drawn in the drawing, the first swivel 2 is rotatably connected with a second swivel 3, the second swivel 3 is arranged in a gap with the pier body, the second swivel 3 is sleeved on the pier body 1, a plurality of first flow baffles 4 are fixedly connected to the peripheral sides of the second swivel 3, a second flow baffle 5 is arranged at the top of the first swivel 2, a flow guide plate 6 is fixedly connected to the peripheral sides of the second flow baffle 5, an adjusting member 7 is arranged between the second flow baffle 5 and the second swivel 3, the first swivel 2 is arranged to provide support the second swivel 3, the first flow baffle 3 is arranged to provide support for the first flow baffle 4, the first flow baffle 4 is arranged to realize that when water flow flows, the flow speed and the flow direction of the pier body 1 can be changed by the rotation of the self-adaptive pier body, and the flow speed and the flow direction can be different from the flow direction, and the flow direction of the water flow baffle 5, and the water flow can be increased according to the practical flow baffle 6, and the practical flow baffle 5, and the flow baffle.
As shown in fig. 2 and 3, the adjusting member 7 includes a plurality of support rings 76 and support plates 71, the support rings 76 are sleeved on the pier body 1, the support rings 76 are disposed in the second rotary ring 3, the support rings 76 are slidably connected with the inner wall of the second rotary ring 3 and are attached to each other, the first baffle plate 4 is hollow, the top of the first baffle plate 4 is open, the number of the support rings 76 is equal to the number of the first baffle plate 4, the support plates 71 are fixedly connected with the support rings 76, the support plates 71 are disposed in the first baffle plate 4, the support plates 71 are slidably connected with the first baffle plate 4, the support plates 71 are inserted with the third baffle plate 72 and are slidably connected with each other, a plurality of first springs 73 are fixedly connected between one end of the third baffle plate 72 disposed in the support plates 71 and the support plates 71, the number of the first springs 73 can ensure that the third baffle plate 72 can stably slide in the support plates 71, the sliding direction of the third baffle plate 72 is perpendicular to the sliding direction of the support plate 71, the support plate 71 is fixedly connected with a baffle plate 74, the baffle plate 74 is arranged at the top of the support plate 71, the third baffle plate 72 is attached to the baffle plate 74, the baffle plate 74 is rotatably connected with a third rotating ring 77, the third rotating ring 77 is slidably connected with the pier body 1, the third rotating ring 77 slides along the pier body 1, the third rotating ring 77 is fixedly connected with fixing rods 75, the number of the fixing rods 75 is not limited, the second baffle plate 75 can be supported, the fixing rods 75 are fixedly connected with the second baffle plate 5, the adjusting piece 7 is arranged to enable the position of the second baffle plate 5 to be automatically adjusted according to the water depth, the position of the third baffle plate 72 can be adjusted according to the water depth, one end, far away from the support plate 71, of the third baffle plate 72 is obliquely arranged, a bump is arranged at the bottom of the third baffle plate 72, so that the third baffle plate 72 cannot slide out of the first baffle plate 4, the convex blocks are not marked in the figure, so that the stress area can be increased, the flow rate can be better relieved, the flow rate and the direction of water in the horizontal direction can be relieved, the pier body 1 is protected, the support ring 76 is arranged to provide support for the support plate 71, the tightness between the second rotating ring 3, the support ring 76 and the first rotating ring 2 and the baffle plate 74 can be ensured, water is prevented from entering, the third rotating ring 77 is arranged to facilitate the rotation of the baffle plate 74, the support ring 76, the third baffle plate 72 and the like, and the fixing rod 75 is arranged to support the second baffle plate 5.
As shown in fig. 1 and 2, first change ring 2 cover is equipped with counter weight bag 8 and rather than fixed connection, and the setting of counter weight bag 8 can cover the riverbed around pier body 1, does not mark in the riverbed picture, has certain cushioning effect to the undercurrent around the pier, protects riverbed silt not washed away simultaneously.
As shown in fig. 2 and fig. 3, a connection line between any two first flow baffles 4 does not coincide with any diameter of the second rotating ring 3, and an angle between any two adjacent first flow baffles 4 is not equal, which is to ensure that the first flow baffles 4 at two sides of the second rotating ring 3 bear different forces under the action of water flow, so that the first flow baffles 4 drive the second rotating ring 3 to rotate under the action of water flow, and further the flow rate and direction of the water flow can be changed.
The implementation principle of the embodiment is as follows: the whole device is installed at the bottom of a pier body 1, no matter which direction the water flow flows horizontally, because a connecting line between any two first flow baffle plates 4 is not overlapped with the diameter of a first rotating ring 2, the force of any one first flow baffle plate 4 under the water flow is different, when the water flow, the first flow baffle plates 4 can drive a second rotating ring 3 to rotate under the action of the water flow, the flowing speed of the water flow can be changed, the pier body 1 is protected, when the water depth is different, the second flow baffle plates 5, the guide plates 6 and the like can circularly ascend and descend under the action of buoyancy, the automatic adjustment of the second flow baffle plates 5 and the guide plates 6 on the pier body 1 is realized, and when the second flow baffle plates 5 and the guide plates 6 circularly ascend and descend, the supporting plate 71 drives the third flow baffle plates 72 to circularly ascend or descend, and the third flow baffle plates 72 are obliquely arranged, so that the third flow baffle plates 72 can circularly extend or extend under the action of the first springs 73.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (3)
1. The utility model provides a self-adaptation pier erodees protector based on rivers direction and velocity of flow, includes pier body (1), its characterized in that: the bottom of the pier body (1) is sleeved with a first rotating ring (2), the first rotating ring (2) is fixedly connected with the bottom of the pier body (1), the first rotating ring (2) is rotatably connected with a second rotating ring (3), the second rotating ring (3) is sleeved on the pier body (1), a plurality of first flow baffle plates (4) are fixedly connected to the periphery of the second rotating ring (3), a second flow baffle plate (5) is arranged at the top of the first rotating ring (2), a flow guide plate (6) is fixedly connected to the periphery of the second flow baffle plate (5), and an adjusting piece (7) is arranged between the second flow baffle plate (5) and the second rotating ring (3);
the adjusting part (7) comprises a plurality of supporting rings (76) and supporting plates (71), the supporting rings (76) are sleeved on the pier body (1), the supporting rings (76) are arranged in the second rotating ring (3), the first flow baffle plate (4) is arranged in a hollow mode, the top opening of the first flow baffle plate (4) is arranged, the supporting plates (71) are fixedly connected with the supporting rings (76), the supporting plates (71) are arranged in the first flow baffle plate (4), the supporting plates (71) are slidably connected with the first flow baffle plate (4), third flow baffle plates (72) and slidably connected with the third flow baffle plates (72) are inserted in the supporting plates (71), the third flow baffle plates (72) are arranged in one ends of the supporting plates (71) and fixedly connected with a plurality of first springs (73) between the supporting plates (71), baffle plates (74) fixedly connected with the supporting plates (71), the baffle plates (74) are rotatably connected with third rotating rings (77), the third rotating rings (77) are slidably connected with the pier body (1), the third rotating rings (77) are fixedly connected with fixing rods (75), and the fixing rods (75) are connected with the fixing rods (75).
2. The adaptive pier scour protection device based on water flow direction and flow rate of claim 1, wherein: the first rotating ring (2) is sleeved with a counterweight bag (8) and is fixedly connected with the counterweight bag.
3. The self-adaptive bridge pier scouring protection device based on water flow direction and water flow speed as claimed in claim 1, wherein: the connecting line between any two first flow baffle plates (4) is not superposed with any diameter of the second rotating ring (3), and the angles between any adjacent first flow baffle plates (4) are not equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094648.6A CN113756183B (en) | 2021-09-17 | 2021-09-17 | Self-adaptive pier scouring protection device based on water flow direction and flow velocity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111094648.6A CN113756183B (en) | 2021-09-17 | 2021-09-17 | Self-adaptive pier scouring protection device based on water flow direction and flow velocity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113756183A CN113756183A (en) | 2021-12-07 |
| CN113756183B true CN113756183B (en) | 2023-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111094648.6A Active CN113756183B (en) | 2021-09-17 | 2021-09-17 | Self-adaptive pier scouring protection device based on water flow direction and flow velocity |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635391B (en) * | 2022-03-29 | 2024-02-20 | 长沙理工大学 | Pier protector and pier protection system |
| CN116519524B (en) * | 2023-07-03 | 2023-09-22 | 南昌工程学院 | Scouring simulation equipment |
| CN117888502A (en) * | 2023-11-13 | 2024-04-16 | 河海大学 | Intelligent scour prevention device and method for underwater bridge pier |
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| KR100572575B1 (en) * | 2005-10-17 | 2006-04-24 | (주)미래기술단 | Scour prevention structure of a pier |
| CN103243639A (en) * | 2013-05-13 | 2013-08-14 | 牟献友 | Annular-wing pier capable of preventing scouring |
| CN108487045A (en) * | 2018-02-06 | 2018-09-04 | 西南交通大学 | A kind of adaptive pier subsidence protective device |
| CN209703278U (en) * | 2019-02-28 | 2019-11-29 | 广西交通职业技术学院 | A kind of reduction relates to the stopper of river bridge backwater impact |
| CN209723058U (en) * | 2018-12-27 | 2019-12-03 | 广东泛珠勘察设计有限公司 | Bridge ultra-high performance concrete protection against erosion denudes structure |
| CN111455832A (en) * | 2020-03-31 | 2020-07-28 | 浙江水利水电学院 | Three-layer flow guide plate anti-scouring pier |
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2021
- 2021-09-17 CN CN202111094648.6A patent/CN113756183B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100572575B1 (en) * | 2005-10-17 | 2006-04-24 | (주)미래기술단 | Scour prevention structure of a pier |
| CN103243639A (en) * | 2013-05-13 | 2013-08-14 | 牟献友 | Annular-wing pier capable of preventing scouring |
| CN108487045A (en) * | 2018-02-06 | 2018-09-04 | 西南交通大学 | A kind of adaptive pier subsidence protective device |
| CN209723058U (en) * | 2018-12-27 | 2019-12-03 | 广东泛珠勘察设计有限公司 | Bridge ultra-high performance concrete protection against erosion denudes structure |
| CN209703278U (en) * | 2019-02-28 | 2019-11-29 | 广西交通职业技术学院 | A kind of reduction relates to the stopper of river bridge backwater impact |
| CN111455832A (en) * | 2020-03-31 | 2020-07-28 | 浙江水利水电学院 | Three-layer flow guide plate anti-scouring pier |
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| CN113756183A (en) | 2021-12-07 |
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